﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using OnlineTestDBHELPER;
using OnlineTestModel;

//Please add references
namespace OnlineTestDAL
{
	/// <summary>
	/// 数据访问类:paperquestions
	/// </summary>
	public partial class PaperQuestionsDAL
	{
        public PaperQuestionsDAL()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("id", "paperquestions"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from paperquestions");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
			};
			parameters[0].Value = id;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(PaperQuestions model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into paperquestions(");
			strSql.Append("paperid,questionid,bigquestion,smallquestion,score)");
			strSql.Append(" values (");
			strSql.Append("@paperid,@questionid,@bigquestion,@smallquestion,@score)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@paperid", SqlDbType.Int,4),
					new SqlParameter("@questionid", SqlDbType.Int,4),
					new SqlParameter("@bigquestion", SqlDbType.Int,4),
					new SqlParameter("@smallquestion", SqlDbType.Int,4),
					new SqlParameter("@score", SqlDbType.Int,4)};
			parameters[0].Value = model.PaperId;
			parameters[1].Value = model.QuestionId;
			parameters[2].Value = model.BigQuestion;
			parameters[3].Value = model.SmallQuestion;
			parameters[4].Value = model.Score;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(PaperQuestions model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update paperquestions set ");
			strSql.Append("paperid=@paperid,");
			strSql.Append("questionid=@questionid,");
			strSql.Append("bigquestion=@bigquestion,");
			strSql.Append("smallquestion=@smallquestion,");
			strSql.Append("score=@score");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@paperid", SqlDbType.Int,4),
					new SqlParameter("@questionid", SqlDbType.Int,4),
					new SqlParameter("@bigquestion", SqlDbType.Int,4),
					new SqlParameter("@smallquestion", SqlDbType.Int,4),
					new SqlParameter("@score", SqlDbType.Int,4),
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = model.PaperId;
            parameters[1].Value = model.QuestionId;
            parameters[2].Value = model.BigQuestion;
            parameters[3].Value = model.SmallQuestion;
            parameters[4].Value = model.Score;
			parameters[5].Value = model.Id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from paperquestions ");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
			};
			parameters[0].Value = id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string idlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from paperquestions ");
			strSql.Append(" where id in ("+idlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public PaperQuestions GetModel(int id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 id,paperid,questionid,bigquestion,smallquestion,score from paperquestions ");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
			};
			parameters[0].Value = id;

			PaperQuestions model=new PaperQuestions();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				if(ds.Tables[0].Rows[0]["id"]!=null && ds.Tables[0].Rows[0]["id"].ToString()!="")
				{
					model.Id=int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
				}
				if(ds.Tables[0].Rows[0]["paperid"]!=null && ds.Tables[0].Rows[0]["paperid"].ToString()!="")
				{
					model.PaperId=int.Parse(ds.Tables[0].Rows[0]["paperid"].ToString());
				}
				if(ds.Tables[0].Rows[0]["questionid"]!=null && ds.Tables[0].Rows[0]["questionid"].ToString()!="")
				{
					model.QuestionId=int.Parse(ds.Tables[0].Rows[0]["questionid"].ToString());
				}
				if(ds.Tables[0].Rows[0]["bigquestion"]!=null && ds.Tables[0].Rows[0]["bigquestion"].ToString()!="")
				{
					model.BigQuestion=int.Parse(ds.Tables[0].Rows[0]["bigquestion"].ToString());
				}
				if(ds.Tables[0].Rows[0]["smallquestion"]!=null && ds.Tables[0].Rows[0]["smallquestion"].ToString()!="")
				{
					model.SmallQuestion=int.Parse(ds.Tables[0].Rows[0]["smallquestion"].ToString());
				}
				if(ds.Tables[0].Rows[0]["score"]!=null && ds.Tables[0].Rows[0]["score"].ToString()!="")
				{
					model.Score=int.Parse(ds.Tables[0].Rows[0]["score"].ToString());
				}
				return model;
			}
			else
			{
				return null;
			}
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select id,paperid,questionid,bigquestion,smallquestion,score ");
			strSql.Append(" FROM paperquestions ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" id,paperid,questionid,bigquestion,smallquestion,score ");
			strSql.Append(" FROM paperquestions ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM paperquestions ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.id desc");
			}
			strSql.Append(")AS Row, T.*  from paperquestions T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "paperquestions";
			parameters[1].Value = "id";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  Method
	}
}

